Round robin tests XRF-analysis XRF Round-robin test CGL Mongolia - CGL-133 - MBTH, Iron Ore
Study organized by:
Central Geological Laboratory of Mongolia (CGL)
Material of proficiency test:
CGL 133 (MBTH, Iron Ore)
Study finished:
2017 - 3
Literature:
Reference Material Certificate CGL
major elements [wt %]
| CRB | RV | 1sRV | Z-Score | |
| SiO₂ | 9,430 | 9,290 | 0,220 | 0,610 |
| TiO₂ | 0,110 | 0,100 | 0,010 | 2,930 |
| Al₂O₃ | 1,760 | 1,690 | 0,090 | 0,790 |
| Fe-total | 39,500 | 39,320 | 0,400 | 0,440 |
| MnO | 0,140 | 0,130 | 0,020 | 0,770 |
| MgO | 8,120 | 8,040 | 0,460 | 0,170 |
| CaO | 9,440 | 9,340 | 0,190 | 0,510 |
| K₂O | 0,350 | 0,350 | 0,020 | -0,170 |
| P₂O5 | 0,070 | 0,060 | 0,010 | 0,850 |
trace elements [µg/g]
| CRB | RV | 1sRV | Z-Score | |
| As* | 41,00 | 37,00 | ||
| Ba* | 36,00 | 42,00 | ||
| Co | 67,00 | 72,00 | 5,00 | -1,05 |
| Cr | 25,00 | 27,00 | 5,00 | -0,45 |
| Cu | 458,00 | 397,00 | 31,00 | 1,97 |
| Ni | 71,00 | 81,00 | 5,00 | -1,92 |
| Pb* | 27,00 | 21,00 | ||
| Sr* | 32,00 | 35,00 | ||
| V | 55,00 | 54,00 | 5,00 | 0,20 |
| Zn | 253,00 | 234,00 | 16,00 | 1,16 |
Legend
CRB
results CRB
cooperative test
results collaborative study
1s-RV
Standard deviation collaborative study
Z-Score
Difference of measured value from mean study
*
Value not certified
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